Senior Software Engineer

Jack and Jill AI; Greater London; On-site; GBP 125,000 - 150,000; Full time

Job summary

An innovative AI technology startup is seeking a Senior Software Engineer to join their elite engineering team. This role involves designing scalable AI-powered systems that enhance data management for enterprises. The ideal candidate will have over 5 years of experience in software engineering and a strong ability to navigate complex projects independently. This position offers the opportunity to work closely with design teams to deliver impactful user workflows, while also receiving direct feedback from high-profile customers.

Benefits

Work on a mission-critical platform

Direct access to feedback from Fortune 500 customers

Collaborative engineering culture

Qualifications

• 5+ years of professional software engineering experience shipping complex production systems.
• Proven ability to operate with high agency and ownership of projects.
• Strong product intuition and experience in building user workflows.

Responsibilities

• Design, build, and maintain scalable, reliable systems and user experiences.
• Translate customer requirements into production-ready software solutions.
• Own end-to-end execution of projects across the full stack.

Skills

Professional software engineering experience

End-to-end project execution

Collaboration with design teams

Job description

Overview

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack.

Position

Senior Software Engineer

Company Description: High-growth AI technology startup

Job Description:

Join an elite engineering team building an AI-powered operating system designed to modernize complex workflows and data management. You will design and scale reliable systems that automate manual processes for global enterprises. This role offers the chance to work at the intersection of generative AI and enterprise productivity in a high-velocity environment.

Location: London, UK

Why this role is remarkable

• Work on a mission-critical platform backed by world-class venture capital firms and pioneering AI industry leaders.
• Build and ship production-ready AI features weekly with direct access to feedback from Fortune 500 customers.
• Join a world-class team of engineers from top-tier tech giants in a high-agency, collaborative engineering culture.

Responsibilities

• Design, build, and maintain scalable, reliable systems and user-facing product experiences using modern AI stacks.
• Translate ambiguous customer requirements into maintainable, production-ready software solutions from first principles.
• Own end-to-end execution of projects across the full stack, including deployment, monitoring, and long-term technical quality.

Qualifications

• 5+ years of professional software engineering experience shipping complex production systems end-to-end in fast-paced environments.
• Proven ability to operate with high agency, taking full ownership of projects from initial scoping through to iteration.
• Strong product intuition and a background in partnering with design teams to build intuitive, impactful user workflows.

About Jack & Jill

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

1. Visit our website.
2. Click 'Talk to Jack'.
3. Talk to Jack so he can understand your experience and ambitions.
4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
6. If not, Jack will find you excellent alternatives. All for free.

Notes

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.

Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.

We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.